Yau Nai-Hoi

Yau Nai-hoi is a Hong Kong filmmaker. He is best known as a frequent screenwriter for films produced by the independent Hong Kong production company Milkyway Image, notably films directed by Johnnie To and Wai Ka-Fai. Yau often collaborates with fellow Milkyway Image writers Wai Ka-Fai, Szeto Kam-Yuen, Au Kin-Yee and Yip Tin-Shing. His directorial debut arrived with the 2007 film Eye in the Sky.